Microprocessors: Assembly Language
about Decrement/Increment for counting loop, and shift left/right and rotate functions.
Write the following (C language) statement in assembly language.
unsigned char i, j, k;
j=10;
do
{
k=k+i;
j=j+1;
}
while (j != 18);
Solution
taking value of j in Register B and value of k in Register C
fins the assembly language code as below:
it is in 8085,
MVI B,0AH ## load value 10 in j = load value 0A hex in B
MVI C,00H ## initialize C = initialize k
MOV A,B ## copy values of B to A
loop : ADD A,01H ## increment in value of B = increment in j
ADD C,01H ## increment in value of C = in k
XRA A,12H ## xoring of A with 12H = with 18 decimal = check if j is 18 or not
JNZ loop ## j is not 18 then goes to loop = continue the looping
MOV B,A
HLT.
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Microprocessors Assembly Languageabout DecrementIncrement for co.pdf
1. Microprocessors: Assembly Language
about Decrement/Increment for counting loop, and shift left/right and rotate functions.
Write the following (C language) statement in assembly language.
unsigned char i, j, k;
j=10;
do
{
k=k+i;
j=j+1;
}
while (j != 18);
Solution
taking value of j in Register B and value of k in Register C
fins the assembly language code as below:
it is in 8085,
MVI B,0AH ## load value 10 in j = load value 0A hex in B
MVI C,00H ## initialize C = initialize k
MOV A,B ## copy values of B to A
loop : ADD A,01H ## increment in value of B = increment in j
ADD C,01H ## increment in value of C = in k
XRA A,12H ## xoring of A with 12H = with 18 decimal = check if j is 18 or not
JNZ loop ## j is not 18 then goes to loop = continue the looping
MOV B,A
HLT
